App.cs

#region Namespaces
using Autodesk.Revit.ApplicationServices;
using Autodesk.Revit.Attributes;
using Autodesk.Revit.DB;
using Autodesk.Revit.UI;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Runtime.Versioning;
using System.Windows.Markup;

#endregion

namespace BootCamp
{
    internal class App : IExternalApplication
    {
        public Result OnStartup(UIControlledApplication app)
        {
            // 1. Create ribbon tab
            string tabName = "Revit Add-in Bootcamp";
            try
            {
                app.CreateRibbonTab(tabName);
            }
            catch (Exception)
            {
                Debug.Print("Tab already exists.");
            }

            // 2. Create ribbon panel 
            RibbonPanel panel = Utils.CreateRibbonPanel(app, tabName, "Revit Tools");

            // 3. Create button data instances
            PushButtonData btnData1 = Command1.GetButtonData();
            PushButtonData btnData2 = Command2.GetButtonData();
            PushButtonData btnData3 = Command3.GetButtonData();
            PushButtonData btnData4 = Command4.GetButtonData();
            PushButtonData btnData5 = Command5.GetButtonData();
            PushButtonData btnData6 = Command6.GetButtonData();
            PushButtonData btnData7 = Command7.GetButtonData();
            PushButtonData btnData8 = Command8.GetButtonData();
            PushButtonData btnData9 = Command9.GetButtonData();
            PushButtonData btnData10 = Command10.GetButtonData();
            // 4. Create buttons
            PushButton myButton1 = panel.AddItem(btnData1) as PushButton;
            PushButton myButton2 = panel.AddItem(btnData2) as PushButton;

            panel.AddStackedItems(btnData3, btnData4, btnData5);

            SplitButtonData splitButtonData = new SplitButtonData("Split But", "Split But");
            SplitButton splitButton = panel.AddItem(splitButtonData) as SplitButton;
            splitButton.AddPushButton(btnData6);
            splitButton.AddPushButton(btnData7);

            PulldownButtonData moreToolsData = new PulldownButtonData("more tools", "More Tools");
            PulldownButton moreTools = panel.AddItem(moreToolsData) as PulldownButton;
            moreTools.AddPushButton(btnData8);
            moreTools.AddPushButton(btnData9);
            moreTools.AddPushButton(btnData10);

            // NOTE:
            // To create a new tool, copy lines 35 and 39 and rename the variables to "btnData3" and "myButton3". 
            // Change the name of the tool in the arguments of line 

            return Result.Succeeded;
        }

        public Result OnShutdown(UIControlledApplication a)
        {
            return Result.Succeeded;
        }


    }
}